Need help with Power Supply Unit, Which is right one for single video card and little overclocking? (Any brand with 80 Plus up to gold)

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Mike Coyne Posted: Wed, Jun 22 2011 2:46 PM

I want to know if  650 to 750 Watts ( any watts between 650 to 750 Watts) That one will work with some extra power for overclocking  and need be more stable and plenty of power to handle. If anyone who has or can tell me what is best PSU that i need and able to run on single video card. Thanks for your help .

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rrplay replied on Wed, Jun 22 2011 3:17 PM

It may be a bit more helpful if you shared the cpu / gpu and other specs because you may actually be looking at an 850 W PSU for the added headroom along with a budget chassis etc, Some vid cards do not draw as much power as others and you will appreciated the added headroom of a high quality clean PSU like this

SeaSonic X750 Gold 750W ATX12V V2.3/EPS 12V V2.91 SLI Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply  159.00

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151087

About as clean reliable and as good as it get 750W @ 159.00  Corsair also make quality PSU

let us know a bit more and some budget info depending on your rig and OC plans  you may need to go a bit higher also if you want to get a modular PSU at 160.00 and up you should  Smile

 plenty of sharp folks here with  PSU stuff .

let us know some specs and we can go from there

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seasonic, all the way 750 will be more then enough even with a i7 990 and a 580gtx with an OC

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rrplay replied on Wed, Jun 22 2011 4:02 PM

Der Meister:

seasonic, all the way 750 will be more then enough even with a i7 990 and a 580gtx with an OC

oh yeah no doubt about it ..we have seen the Seasonic 850W easily power and SLI Nvidai rig from Maingear recently with 2 580s no sweat.The Seasoncis just provide clean power.& definitely outclasses other 750W 80 plus PSUs. I recall neil using the 650 W Seasonics as well with very good results in single GPU builds

SeaSonic X Series X650 Gold ((SS-650KM Active PFC F3)) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply @ 139.00 also modular but should be plenty as well

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088

 **** just have wait a bit to hear back from Mike and see what's up .

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I got your relay. I took a look at PSU, it is 675 Watts and 750 Watss both  of them  from Themetake. It sell for $120.00. It is close to 700 Watts. I did took watt of power from CPU addition to OC and rest of stuff. It did tell me it is close to 500 Watts total of power.One from Corsair tell me that i need up to 750 Watts too. So what do you think?

http://www.newegg.com/Product/Product.aspx?Item=N82E16817153126 and

http://www.newegg.com/Product/Product.aspx?Item=N82E16817153136

I am try to find cheap cost as possible (like on sale or best deal). Corsair is bit more cost than Themetake. I used this PSU from Themetake before and has Corsair VX450 in my Pentium 4 PC. Both is good one that never failed on me.

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Forget to addition info... I am plan to get AMD Radeon 6850 video card that use one 6 pin plug in and( that is i like because not much of power, only top at 127 watts. Meanwhile. also plans to do some overclock my new i7 990X (has unlocked muilt)  i wont overclock Radeon 6850.. Just CPU.

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rrplay replied on Wed, Jun 22 2011 8:53 PM

how about this one

CORSAIR Enthusiast Series TX750 V2 750W ATX12V v2.31/ EPS12V v2.92 80 PLUS BRONZE Certified Active PFC High Performance Power Supply @ 109.00

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139021

about 94.00 after rebate better quality in my opinion than the Theramltakes looks good for for you 750W @ 109.00 NOTE non-modular !

Also 4rth of July coming soon so prices may vary to your advantage.

 

edit >>non modular PSU note

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rrplay replied on Wed, Jun 22 2011 9:45 PM

Mike Coyne:

Forget to addition info... I am plan to get AMD Radeon 6850 video card that use one 6 pin plug in and( that is i like because not much of power, only top at 127 watts. Meanwhile. also plans to do some overclock my new i7 990X (has unlocked muilt)  i wont overclock Radeon 6850.. Just CPU.

the thermaltake you mentioned also is high quality & modular also has the 6 pin connector 119.00  

http://www.newegg.com/Product/Product.aspx?Item=N82E16817153126

if possible let us know the gpu make and model you plan on to  narrow down some choices even further

 

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Got your relay. Thank for your info. Corsair is best one. and some other PSU is alright. I always read all review and see what they had to say about PSU. (Like higher than 50% is best in review and low like 25% is bad)  For GPU (video card Radeon 6850 1 GB DDR with GDDR5 at 775MHz and memeroy at 4 GHz)  Any brand company build on same base on Radeon 6850,  like Visiotek, XFX, Sapharie,,AMD,HIS,, PowerColor, and etc. All is same based on Radeon 6850 in different color..  FYI I has my Visiontek Radeon X850XT. It still hold on own and never had problem with it for 3 to 4 years now. I will take another look at PSU again. I know you said 750 is best one for best performance and more stable.

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rrplay replied on Thu, Jun 23 2011 8:09 AM

hey Mike thanks for getting back with your input, which is most helpful.This is really a very good time to evaluate a bit of both the GPU and PSU for purchase.I do not agree that all the 6850 are the same from different manufacturers.Some have twin fans, some supply different packaging cables etc, as well as different lengths..Check the manufacturer web page for spec esp length !

Some folks may prefer a dual fan design as opposed to a rather closed "standard' design.Good idea to consider your chassis airflow and how the card is going to fit along with the supplied power connections to make this upgrade go sweet 'n smoooth. Might as well see if a possible chassis fan upgrade is an option when placing the order.

anyhooo ..the cleanest 750W in this thread is the Seasonic Gold 159.00

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151087

with the 6850 the 650 W Seasonic will give you plenty of the cleanest ripple noise free power &modular @ 139.00 whether you OC or not

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088

Both of these are much better than the Corsair enthusiast version at 94.00 much better to concsider this Corsair which is a popular choice.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

lot's of good choices let us know what you think ! you should be able to decide on a great  GPU / PSU combo upgrade

 

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Mike Coyne replied on Fri, Jun 24 2011 12:56 AM

Hey Rrplay, Thanks for your relay. I did look at Seasonic  650 and 750 Watts is sound good to because of 80 Plus Gold. I will go with either of them. I read many good review about that PSU from Seasonic. You are right about Seasonoice is very clean and save lot $$$ on elec bill.. Also, I did looked at few mild tower (less 20 inches tall. that way will fit my desk. One i really like Cooler Master HAF 912 and 922. 912 is standrad and cost about $60.00  other one 922 is about $100.00. Both is good size that able fit big video card like 6860 also lucky there is HD cage removal to give a more room for long video card. I'll let you know what my decide on PSU later. Thank your for your big help on all info.

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rrplay replied on Fri, Jun 24 2011 1:19 AM

heya Mike  glad you found this forum to be helpful .and appreciate the thanks .so

Thank You Mike

Little note about the chassis ..some of those CM cases may have an option for you to purchase an extra fan that's not included so if you have any other questions about the chassis,GPU,PSU etc. or just want to drop in an hang ...anytime man

cya Smile

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Hey Rrplay, I want to ask you about Radeon 6790 video card. Maybe i can make a opation on Radeon 6790 and 6850. Radeon 6790 video card seem few inches shorter than 6850. the power load top at 150 watts and idle at 19 watts.on Radeon 6790  vs 127 watts/ and idle at 19 watts  on 6850. I did look at HIS and Powercolor Radeon 6790 has one 6 pin plug in. They sell for $140.00. on Newegg.com.  I did read the reviews about that 6790. As you know that I was planning to get Radeon 6850 but it cost about $150 to 170.00  . Radeon 6790 is good for mild to high range game. I don't  play very high performance game.but I only play a  mild range. What do you think? And any idea? thanks for your help.

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rrplay replied on Wed, Jul 6 2011 8:50 AM

hey Mike the 6790 will certainly play many of your games quite well as you mentioned as for length that depends if it will fit your chassis or if you are considering another one.as previously mentioned

PowerColor AX6790 1GBD5-DH Radeon HD 6790 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card @139.xx

http://www.newegg.com/Product/Product.aspx?Item=N82E16814131397

keep an eye out for the Sapphire as well in the series

HIS 6790 @ 139.xx

http://www.newegg.com/Product/Product.aspx?Item=N82E1681416137

MSI Cyclone 6850 @ 169.xx

http://www.newegg.com/Product/Product.aspx?Item=N82E16814127576

SeaSonic X750 Gold 750W ATX12V V2.3/EPS 12V V2.91 SLI Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply
@ 159..XX

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088

or Seasonic 650W @ 139.00 will have no problem

did you decide on PSU yet ? you previously mentioned you had an i7-990X ?and were going to OC the Chip?

>>>get the Seasonic 750W

...since you mentioned some info regarding a chassis in a previous post and you may be considering an upgraded chassis, ,PSU ,GPU, let us know your budget.

Note there are many members in HH that can provide very useful feedback as well so no need to actually  direct the post to me .

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Rrplay, Thanks for your replay I was think that i might go with 6850 model because  low watts (127 Watts). I did read this review about 6850 and was very impressed with its performance. And I am think about go with mild range  PSU  675 Watts with 80 Plus Brozne  from Thermeltake (it is close to 700 watts) and it should be fine with little OC on 990X . It is still low cost at $120.00 or possible go with Seasonic X650 with 80 Plus Gold. I am still think about  it. Anyway, have a great day!  Thanks for your time to wrote back to me.  (P.S. Look for in My Rig Post in future with picture of my new PC) I have not start to build it but will do that soon or  in few weeks.

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rrplay replied on Wed, Jul 6 2011 4:09 PM

heya Mike ,,thanks for the nice words they are much appreciated ..the only thing i can mention when deciding on the PSU is not to second guess the extra $20 bucks or so.same true for the GPU  .maybe think of rebate $$$ as pizza & brew  OC / gaming night ? heck treat yourself and your rig

some guys around here had a couple of Newegg gift cards saved for such occasions similar  as to what you are building [hint]

anyhow thought newegg and others may have had some better deals on some of this stuff.over the holidays >>

might as well make out  'wish list and you may be able to get a price break on some of these

let us know how it goes & .would sure like to some pics at a later time .Smile

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Update: I did order CM HAF 912 mild tower, Themeltake XT 675 Watts 80 Plus bronze, HIS Radeon 6850 ICE Q (more cooler than normal) , Win 7 Pro with SP1,  and  Sony DVD RW drive. Now i'm ready to build it but need wait for few days the shipping will arrive to my house.  Anyhoo. I want to Thanks to all guys to help me with all hardware that i was asked  few questions about it. I knew this place is good to talk or get help with stuff.

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Mike Coyne replied on Sat, Jul 30 2011 12:59 AM

Hey Rrplay,, Go to "My Rig: Forum and check out my photo of my new PC. I want to say thank to you for your help. Hope you will like this photo.

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